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3/4 inch Check Valve, 3/4 inch Marine Bilge Pump Check Valve, 3/4" in-line one Way Valve, 3/4" Non Return Valve
$33
CentIoT - One-Way Non-Return inline check valve - Transparent Plastic - for Water liquid gas (PP 12MM)
4.2
$44
110mm Non Return Valve Backflow Flood Prevention Single Stainless Steel Flap
3.9
$744
Whale Non-Return Inline Valve - Suction or Discharge Line - Nitrile
4.3
$202
VAYINATO® Air Pump One Way Non-Return Check Valve (Black) for Aquarium Fish Tank (Pack of 5) by Petzlifeworld
4.1
$36
AMAZOR Brass NRV 1/2 Inch (Non Return Valve 1/2 Inch)
4.1
$69
Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap
4.4
$784
Pawfly Aquarium Check Valves Plastic One Way Non-Return Check Valve for Fish Tank
4.5
$68
mxuteuk 2Pcs 3/8" 10mm Aluminium Silver Non Return One Way Check Valve with 4Pcs 6-12mm Universal Adjustable Hose Clamps for Fuel Petrol Diesel Line Oil M-H-032-10mm
4.4
$103
Vayinato Aquarium Air Pump Check Valve One Way, 2 Pcs - Fish Tank Non-Return Valve Plastic Accessories (Red)
3.8
$35
Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 110mm
4.6
$924
EVIL ENERGY 5/16" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black(8mm OD,2PCS)
4.5
$112
15mm Single Check Valve WRAS Approved Compression Fitting Non Return Valve one Way Isolation Valve DZR Prevents Backflow Durable Construction (15mm)
4.8
$89
MerrillMFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"
4.6
$91
PumpSpy Silent Check Valve - 1-1/2" with Buna-N Couplings, Model CV-150, Spring-Loaded Flapper, Sump Pump Life Expectancy Increase, Includes Steel Clamps Fit 1-1/2″ Pipe
4.7
$343
Zurn Wilkins 34-NR3XLDU 3/4" NR3XL Pressure Reducing Valve with Double Union FNPT Connection
4.7
$889
110mm Non Return Valve Backflow DN110 Single Stainless Steel Flap Valve
4.2
$356
Whale LV1219 Non-Return Inline Valve, for Use with ¾-Inch and 1-Inch Diameter Pipes, Nitrile Construction , Black
4.4
$175
Non Return Valve Inline 6mm 8mm 10mm 12mm One Way Fuel Air Water Pipe Petrol Diesel (6MM)
3.9
$118
Buffalo Retro fit -Non Return Valve to fit 6 inch (150mm) Sewerage Pipe. Rodent and Water Stop.
4.2
$1,069
Petzlifeworld 10 Nos Non-Return Check Valve For Aquarium Air Pump Airtube
3.9
$49
PK Brass NRV Non Return Valve - 1 Inch Size
4.4
$87
Precious 1-Inch Pipe Non Return Valve (Gold, 1-Piece)
3.3
$64
SATYWALI Geyser NRV Non Return Valve 1/2 inch 0.8 MPa Pressure Safety Relief Water Geyser Valve
3.8
$85
Buffalo Pest ControlWater and Rodent Non Return Valve 110mm / 4 inch
4.4
$739
2 Pieces Inline Check Valve One Way Non Return Check Valve Plastic Water Non Return Valves for Water Fuel Gas Liquid Air
4.1
$60
1-1/4" NPT Horizontal Check Valve, Brass Non Return Swing Check Valve to Prevent Water Backflow, Level One Way Counterflow Valve to Prevent the Medium Backflow for Oil Water Gas Air(1-1/4", DN32)
4.5
$192
3/8" One Way Inline Check Valve 2 Pcs, Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve
$27
Hortafixin Line One Way Hose Connector Non Return Valve. 13 mm, 1/2" Irrigation and Watering
4.0
$138
EVIL ENERGY 3/8" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black(10mm OD,2PCS)
4.5
$139
McAlpine T28-MNRV 1 1/2" Non-Return Valve
4.4
$63
Multi-Flap MF3 Rat Barrier- Non Return Valve (DRAINS) 4" Clay or Plastic pipe
3.6
$338
15mm DZR Non Return Double Check Valve Isolation
4.4
$218
QWORK® Check Valve, One-Way Non Return ABS Valve 3/8" 10mm for Fuel Gas, 2 Pcs
4.2
$72
15mm DZR Double Check Valve WRAS Approved Compression Fitting Non Return Valve One Way Issolation Valves Prevents Backflow and Contamination.
$137
2PCS 3/4 NPT Thread Spring Check Valve, Brass Non Return One Way Horizontal Check Valve, Vertical Inline Water Check Valve for Well, Pump, Tank, Backflow Prevention
4.7
$57
12Pcs PP Check Valve One Way Air Valve Inline Check Valve Single Way Non Return Valve Plastic Water Stop Check Valve for Fish Tank and Chemical Industry (4mm)
5.0
$106
BE-TOOL Spring Check Valve 1/2" 18.5mm Brass Check Valve Non Return Single Check Valve for Water, Oil, Steam and Other Media (Pack of 1)
4.4
$181
Aquarium Air Pump Check Valve 12PCS Fish Tank One Way Non-Return Check Valve Air Pump Accessories for 3/16 Inch Airline Tubing
4.5
$46
3/4 NPT Thread Spring Check Valve, Stainless Steel Non Return One Way Horizontal Check Valve, Vertical Inline Water Check Valve for Well, Pump, Tank, Backflow Prevention
4.5
$148
Buffalo Retro fit -Non Return Valve to fit 6 inch (150mm) Sewerage Pipe. Rodent and Water Stop.
5
$3,339
AQUANEAT Aquarium Check Valve, One Way Non Return Valve for Aquarium Air Pump, Check Valve for 3/16 Inch Airline Tubing, Fish Tank Accessories, 10pcs (Red)
4.3
$77
3/4 inch Check Valve, 3/4 inch Boat Bilge Pump Check Valve, 3/4" in-line one way valve, 3/4" Non Return Valve Green
4.5
$112
Solid Brass 1/2 Inch In-line Spring Check Valve 1/2" NPT Female Thread One-Way Non-return Prevent Water Back-flow
4.6
$112
8mm One Way Aluminium Fuel Valve 2 PCS Non Return Fuel Check Valve With 4 PCS Fuel Hose Spring Clamps For Petrol Diesel Oil Water Chrome Car Auto Carburettor Low Pressure Systems
4.3
$118
8mm One Way Aluminium Fuel Non Return Fuel Check Valve for Petrol Diesel Oil Water Chrome Car Auto Carburettor Low Pressure Systems(2 Packs)
4.5
$95
Quickun 1/2" Barb Hose One Way Inline Check Valve Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve, 2 Pcs
4.2
$86
Push Fit ANTI SYPHON UNIT Plastic Washing Machine Dishwasher Valve Non Return - B0C6B2L17H
3.2
$128
Five Oceans 1-Inch - 1 1/4-Inch - 1 1/2-Inch Check Valve Stepped Connection, Boat Bilge Pump Non-Return Check Valve, Marine In-Line One Way - FO2056
4.3
$205
Jabsco in-Line Non-Return Valve - 3/4"
4.5
$97
McAlpine Stainless Steel 150mm Shower Grid Tile Unit with Non-Return Valve FGT150-SV-110
4.2
$514
MiJunHD 2PCS 4mm One Way Aluminium Fuel Valve, Non Return Check Valve Suitable for Petrol Diesel Oil Water,for Car Carburettor Low Pressure Systems
4.7
$31
McAlpine ARB-1 4"/110mm Anti Back-Flow and Rodent Barrier Valve
4.4
$242
10Pcs Anti Backflow Check Valve One Way PP Plastic Non Return Diaphragm Barb for Air Intake Feed Hose Pipe Fitting (4mm Blue)
5.0
$91
Swing Check Valve Non-Return Check Valve PVC Double Union Solvent Weld Pipe Fittings for Metric Pressure Pipe (DN32 Φ40mm)
4.2
$261
Drainage Flap Valve, Non Return Valve, With Universal Connection 72mm -100mm
4.7
$674
Watering Non-Return Valve - 25mm Barbed for Garden Irrigation, Leaky Pipe and dripline Systems.
4.8
$149
Extractor Fan Non Return Valve Ducting Pipe Backdraft Shutter Wind Shutter ZZ (100mm / 4")
4.2
$102
Rat Blockersfor Drains - for 6 inch Drains (145/150mm) - Non-Return Valve, Twin Flaps (Pack of 1)
4.1
$1,039
McAlpine Z28M-NRV Multifit Universal Waste Pipe 50mm 2" Inline Non Return Valve
4.2
$90
SHYNE Premium 3/4 Inch Non Return Check Valve Made of Brass Robust, Rust-Proof and Waterproof for a Pump, Fountain, Washing Machine, Garden, Rain Butts, Barrel
4.6
$46
McAlpine T28M-NRV Multifit Universal 40mm 1-1/2 Inline Non Return Valve by Mcalpine by Mcalpine
$66
NPH 15mm Single Check Valve Compression/Non Return Valve
5.0
$87
McAlpine �" Non-Return Valve R28-NRV
4.4
$116
McAlpine 1�" Multifit in-Line Non-Return Valve S28M-NRV
4.3
$175
PATIKIL 1/2" Barb Hose One Way Inline Check Valve, 3 Pcs Plastic Non Return Water Stops Ozone Resistance Valve for Aquarium Garden Fuel Oil Air Gas, Translucent
$96
John Guest Push Fit Single Check Valve 12mm (12SCV)
4.9
$140
Marina Plastic Check Valve/ Non Return Valve
4.5
$44
SUPERTOOL Brass Check Valve 1 Inch Spring Check Valve Non Return Pump Inlet Filter Foot Valve with 1" 22mm Hosetail (Pack of 1)
4.2
$205
McAlpine CONVALVE in-Line Vertical Non-Return Valve
4.3
$164
Diameter 40mm Non Return Valve in-Line Gray Water Block Leak Protection Valve Washing Machine Dishwasher
3.7
$251
VooGenzek 2 PCS Aluminium Petrol 1-Way Valve, 6mm Diameter Hose with 6 PCS Spring Clip, Petrol Diesel Fuel Oil 1-Way Check, for Petrol Diesel Oil Water Chrome Car Auto Carburettor
4.2
$100
MLMLH One Way Check Valve - 2Pcs 6mm Plastic Inline Check Valves Non Return Valve Durable for Water Fuel Oil Gas Liquid Air
4.2
$82
Aluminium Petrol 1-Way Valve, 2 Pieces Fuel Non-Return Valve, 8mm One Way Aluminium Fuel Valve, with 4 PCS Fuel Hose Spring Clamps, for Petrol, Diesel, Vegetable Oil, Water
$35
Kamal Agrotech PVC NON Return Valve (NRV) with flang for agriculture and Industrial Use (2 inch)
5.0
$22
SOMA™ Corrosion & Heat Resistant, Electric Geyser NRV (Non-Return Valve) with 0.8 MPa Pressure Rating, Made Of ABS (Acrylonitrile-based Thermoplastic Polymer Blend)
$18
PEPE TAPES &VALVES| threaded non return valve(check valve)| Pressure drop|Leakage prevention (1 1/4"INCH)
$46
Drain Pipe Non-Return Valve (NRV) and Rat Drain Flap 90mm
$14
Non Return Valve 3/4 inch NRV
4.7
$18
CentIoT - One-Way Non-Return inline check valve - white Plastic - for Water liquid gas (POM 4MM)
3.6
$40
VINIXA Non-Return Valve (NRV) 2 Pcs+ 1/4" 5 Meter
5.0
$72
Jainsons Pet Products Aquarium PP Plastic Check Valve Hose Non Return One Way Transparent Check Valve Air Pump Accessories (5 PP Plastic Check Valve)
4.5
$54
PEPE TAPES &VALVES|threaded non return valve(check valve)| Pressure drop|Leakage prevention (1 INCH)
$26
NJM Non-Return Valve SS 304 1/4" BSP
$92
UPVC Non Return Valve (2cm) 3/4 inch
$24
Vinixa Ro Non-Return Valve (NRV) Pack Of 2 Pcs
$70
PEPE TAPES &VALVES| Pasting non return valve(check valve)| Pressure drop|Leakage prevention (1 INCH)
$7
MAXAIR Brass Non Return Valve/Check Valve 3-Port 90° Degree Male Threaded Pnumatic Air Compressor Accessories (G Threaded 1/2 X 3/8 X 1/8")
5.0
$102
CentIoT - One-Way Non-Return Inline Check Valve - Viton and Nylon PA66 Diaphram structure - for Fuel (3/8" 10MM)
$55
DGK Spring Valve Set for Htp Sprayer Pump | Non Return Valve| Pressure Valve | Set of 6 Pies | 30L and 50L Pump
4.0
$57
VAYINATO® (Pack of 5) Imported One Way Plastic Non Return Check Valve (Red with White) by Petzlifeworld
3.5
$47
Precious Brass Non Return Valve (1 Inch)
4.4
$105
AQUALIQUID RO Elbows Connectors Reducer Direct Inlet Valve Straight Type 1/4 Inch QC x 1/2 inch Thread for RO Water Purifier (Pack Of 4)
4.0
$43
Non Return Valve (1/2 inch) Pipe Fitting
1.0
$10
CentIoT - One-Way Non-Return inline check valve - Transparent Plastic - for Water liquid gas (PP 6MM)
4.2
$40
PK Brass NRV Non Return Valve (1/2 INCH)
4.0
$79
VAYINATO® Blue Plastic One Way Non-Return Valve Check Valve Aquarium Air Pump Accessories (Pack of 5) by Petzlifeworld
4.3
$43
1 inch non return valve male to female
2.6
$190
C2K Brass Non-Return Check Valve Air Liquid One Way Check Valve 3/4 inch
3.3
$67
Brands
Centiot
Generic
Whale
Vayinato
Amazor
Buffalo Flood Systems
Pawfly
Mxuteuk
Plumbing4home
Evil Energy
Kudos-trading
Merrill
Pumpspy
Zurn
Msa
Petzlifeworld
Pk
Precious
Satywali
Buffalo Pest Control
N\a
Sywuwv
Hortafix
Mcalpine
Multi-flap
Lvelectrics
Qwork
Boltigen
Liebewh
Be-tool
Aquaneat
Aincix
Uenede
Aipaide
Quickun
Five Oceans
Jabsco
Mijunhd
Hilitand
Senrise
Armar Trading Ltd
Rat Blockers
Shyne
Nph Plumbing & Heating
Patikil
John Guest
Marina
Super Tool
Sagasave
Voogenzek
Mlmlh
Svupue
Vinixa
Jainsons Pet Products
Vinixa Ro
Maxair
Dgk
Aqualiquid Ro
C2k